Electronics & Semiconductors

Simple method for measuring the state of lithium-ion batteries

Rechargeable batteries are at the heart of many new technologies involving, for example, the increased use of renewable energies. More specifically, they are employed to power electric vehicles, cell phones, and laptops. ...

Energy & Green Tech

New lithium batteries from used cell phones

Lithium-ion batteries are used around the world, and though over the last few years they have had some competition, such as sodium and magnesium, they continue to be indispensable due to their high density and capacity. The ...

Energy & Green Tech

A green battery for home use in rural Africa

EPFL startup hiLyte has developed an eco-friendly battery that will allow people in Sub-Saharan Africa to light their homes and charge their cell phones. The technology is currently being tested by families in Tanzania.

page 8 from 10